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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                [TOC] ## 跨進程 Messenger 通信 ~~~ public class TestServiceActivity { Messenger mMessenger ; public void send() { if(mMessenger != null){ Message message = Message.obtain(null, 444); Bundle data = new Bundle(); data.putString("msg", "hahhaha"); message.setData(data); try { mMessenger.send(message); } catch (RemoteException e) { e.printStackTrace(); } } } ServiceConnection serviceConnection = new ServiceConnection() { @Override public void onServiceConnected(ComponentName name, IBinder service) { mMessenger = new Messenger(service); Log.i("wjf", "onServiceConnected IBinder = "+ service); } @Override public void onServiceDisconnected(ComponentName name) { } }; public void bindService(){ Intent intent = new Intent(TestServiceActivity.this, MyService.class); bindService(intent,serviceConnection,BIND_AUTO_CREATE); } ~~~ ~~~ public class MyService extends Service { private static class MyMessageHandle extends Handler{ @Override public void handleMessage(Message msg) { Log.i("MyService","message = " + msg); } } private final Messenger mMessager = new Messenger(new MyMessageHandle()); @Nullable @Override public IBinder onBind(Intent intent) { return mMessager.getBinder(); } } ~~~ ![](https://uploader.shimo.im/f/qpgM8KllEpUsMMH9.png!thumbnail) ## 跨進程 AIDL 通信 //todo ## IntentService IntentService是繼承并處理異步請求的一個類,在IntentService內有一個工作線程來處理耗時操作,啟動IntentService的方式和啟動傳統的Service一樣,同時,當任務執行完后,IntentService會自動停止,而不需要我們手動去控制或stopSelf()。另外,可以啟動IntentService多次,而每一個耗時操作會以工作隊列的方式在IntentService的onHandleIntent回調方法中執行,并且,每次只會執行一個工作線程,執行完第一個再執行第二個,以 ## 參考資料 [Android Service完全解析,關于服務你所需知道的一切(上)](https://blog.csdn.net/guolin_blog/article/details/11952435) [ Android Service完全解析,關于服務你所需知道的一切(上)](https://blog.csdn.net/guolin_blog/article/details/9797169) [Service 詳解](https://juejin.cn/post/6857132657055268871) [說一說 Service 的啟動流程](https://juejin.cn/post/6857132385067892743) [Service 的綁定原理](https://juejin.cn/post/6923369663489376269)
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